Negative refraction in one-dimensional plasma photonic crystals

Negative refraction in one-dimensional plasma photonic crystals
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一维等离子体光子晶体中的负折射

DOI:
10.1016/j.ijleo.2013.10.058
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发表时间:
2014-05
期刊:
影响因子:
3.1
通讯作者:
M. Q. Xie
M. Q. Xie
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
B. Guo;M. Q. Xie

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从理论上研究了由等离子体和介质材料组成的一维等离子体光子晶体中的负折射现象。利用传输矩阵方法和Bloch定理,研究了等离子体光子晶体的群速度,并利用群速度得到了等离子体光子晶体的NR。结果表明,等离子体PC虽然具有周期性调制的正介电常数ε和磁导率μ,但也可以表现出NR。研究还表明,等离子体光子晶体中的NR在不同的频率范围内表现出不同的行为,分别为ω<ω p和ω>ωp。的影响的参数依赖性也进行了检查和讨论。
We have theoretically explored the negative refraction (NR) in one-dimensional plasma photonic crystals (PCs) consisting of plasma and dielectric materials. By using the transfer matrix method and Bloch theorem, we have studied the group velocity and we have obtained the NR in plasma PCs with the help of the group velocity. The results show that plasma PCs can also exhibit the NR although they have a periodically modulated positive permittivityɛand permeabilityμ. It is also shown that the NR in plasma PCs exhibits difference behaviour in different frequency regions,ω<ωpandω>ωp, respectively. The parameter dependence of the effects is also examined and discussed.
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